Select the matched ones.I. S-phase - DNA repl | vedclass

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(A) $S$ or synthetic phase is the period during which $DNA$ synthesis or replication takes place. Thus,$I$ is correct.Zygotene is the second stage of

Vedclass · Accepted Answer

$I$ and $II$ only

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(A) $S$ or synthetic phase is the period during which $DNA$ synthesis or replication takes place. Thus,$I$ is correct.Zygotene is the second stage of prophase-$I$,where homologous chromosomes pair together,a process known as synapsis. Thus,$II$ is correct.Crossing over occurs during the pachytene stage of prophase-$I$,not diplotene. Thus,$III$ is incorrect.Meiosis occurs only in diploid cells,not haploid cells. Thus,$IV$ is incorrect.$G_{0}$ phase (quiescent stage) is the inactive stage,not $G_{2}$-phase. Thus,$V$ is incorrect.Therefore,only $I$ and $II$ are correctly matched.

Column-$I$ (Stage of cell)	Column-$II$ (Phase of cell division)	Column-$III$ (Characteristics)
$(A)$ Metaphase	$(I)$ Anaphase	$(a)$ Best stage to study morphology of chromosome
$(B)$ Anaphase	$(II)$ Telophase	$(b)$ Comes after cytokinesis
$(C)$ Telophase	$(III)$ Interphase	$(c)$ Separation of chromatid
$(D)$ Interphase	$(IV)$ Metaphase	$(d)$ Nuclear membrane and nucleolus reappears

Select the matched ones.
$I.$ $S$-phase - $DNA$ replication
$II.$ Zygotene - Synapsis
$III.$ Diplotene - Crossing over
$IV.$ Meiosis - Shown by haploid and diploid cells
$V.$ $G_{2}$-phase - Quiescent stage

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Analogy type question:
$(1)$ Zygotene : Synapsis :: Pachytene : .......
$(2)$ Prophase-$I$ : Diakinesis :: Interval between two successive meiotic divisions : .......

Select the incorrect statement from the following.

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Select the matched ones.$I.$ $S$-phase - $DNA$ replication$II.$ Zygotene - Synapsis$III.$ Diplotene - Crossing over$IV.$ Meiosis - Shown by haploid and diploid cells$V.$ $G_{2}$-phase - Quiescent stage